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SIERRA Water Circulating Pumps

Water Pumps
The water pump is the heart of your inboard or I/O coolingsystem. Pumps are matched to the GM, Ford or Chryslerblock used to make your engine. All Sierra pumps are bidirectionaland can be installed on reverse rotation engines.These marine water pumps have corrosion-resistant brassimpellers, stainless steel backing plates and brass plugs. Thepumps are also powder coated for additional protection.Includes mounting gasket.

Pumps include brass bi-directional impellers, brass plugs and fittings,carbon resin seal, all mounting gaskets, stainless steel sealcup and spring, stainless steel back plate (where required), andpowder coating for maximum corrosion protection. Sierra waterpumps are made from new castings and are not remanufactured.

Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
Water Circulating Pump - 18-3573, Mercruiser 883925 6937601 18-3573
Delivery within 2 - 3 weeks.

$167.99

Water Circulating Pump,18-3574, Mercruiser #850454, 850454-1 (Late model GM big blocks) 3734837 18-3574
In stock online.

$122.99

Water Circulating Pump, #18-3575, Mercruiser 880817, 65142A1, Volvo 3854017, OMC 984360, 986779 427668 18-3575
In stock online.

$77.99

Water Circulating Pump, #18-3577, Volvo 856609, 3855991, GM 6269358, Mercruiser 17670, 67859, 811573, 850454-1, OMC 987447, Pleasurecraft RA0570 123638 18-3577
In stock online.

$122.99

Water Circulating Pump - #18-3581 - Chrysler Inbd # 3004886, 3619542, 3619859, 3745985 1658301 18-3581
In stock online.

$179.99

Water Circulating Pump, 18-3583, Volvo 3853850, 835390-6, 856364-5, Crusader 142520, Mercruiser 17437, 60658, 850399-1, OMC 980477, 985429, Pleasurecraft RA057018 414260 18-3583
In stock online.

$82.99

Water Circulating Pump, #18-3584, Mercruiser #883885, 71683A1, Volvo #3853796, OMC #3853796, OMC #982517, Pleasurecraft RA057004 121814 18-3584
In stock online.

$107.99

Water Circulating Pump,18-3599, Volvo 3851982-3, 3853850, Mercruiser 811841, 850399, 850399-1 1658400 18-3599
In stock online.

$79.99

Product Description

Water Pumps
The water pump is the heart of your inboard or I/O coolingsystem. Pumps are matched to the GM, Ford or Chryslerblock used to make your engine. All Sierra pumps are bidirectionaland can be installed on reverse rotation engines.These marine water pumps have corrosion-resistant brassimpellers, stainless steel backing plates and brass plugs. Thepumps are also powder coated for additional protection.Includes mounting gasket.

Pumps include brass bi-directional impellers, brass plugs and fittings,carbon resin seal, all mounting gaskets, stainless steel sealcup and spring, stainless steel back plate (where required), andpowder coating for maximum corrosion protection. Sierra waterpumps are made from new castings and are not remanufactured.

Questions about this Product?
1 (800) 262-8464